Search Results for author: Koki Ho

Found 6 papers, 1 papers with code

Multi-Spacecraft Predictive Sensor Tasking for Cislunar Space Situational Awareness

no code implementations7 Oct 2023 Kento Tomita, Yuri Shimane, Koki Ho

This paper exploits the EIF's additive structure of measurement information to break the dependence and devises an efficient linear integer programming formulation.

Orbital Facility Location Problem for Satellite Constellation Servicing Depots

no code implementations21 Feb 2023 Yuri Shimane, Nick Gollins, Koki Ho

This work proposes an adaptation of the Facility Location Problem for the optimal placement of on-orbit servicing depots for satellite constellations in high-altitude orbit.

Deep Monocular Hazard Detection for Safe Small Body Landing

1 code implementation30 Jan 2023 Travis Driver, Kento Tomita, Koki Ho, Panagiotis Tsiotras

Hazard detection and avoidance is a key technology for future robotic small body sample return and lander missions.

Semantic Segmentation

Hierarchical Reinforcement Learning Framework for Stochastic Spaceflight Campaign Design

no code implementations16 Mar 2021 Yuji Takubo, Hao Chen, Koki Ho

This paper develops a hierarchical reinforcement learning architecture for multimission spaceflight campaign design under uncertainty, including vehicle design, infrastructure deployment planning, and space transportation scheduling.

Hierarchical Reinforcement Learning reinforcement-learning +2

Bayesian Deep Learning for Segmentation for Autonomous Safe Planetary Landing

no code implementations21 Feb 2021 Kento Tomita, Katherine A. Skinner, Koki Ho

However, performance for these methods can degrade for input DEMs with increased sensor noise.

Semantic Segmentation

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